HAL579 UA-E Product Overview

Introduction

The HAL579 UA-E is a versatile electronic component designed for use in various applications. This entry provides an in-depth overview of the product, including its category, use, characteristics, packaging, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Information Overview

Category

The HAL579 UA-E belongs to the category of integrated circuits (ICs) and is specifically designed as a voltage regulator.

Use

This component is used to regulate voltage within electronic circuits, ensuring a stable and consistent power supply to connected devices.

Characteristics

• High precision voltage regulation
• Low dropout voltage
• Thermal shutdown protection
• Overcurrent protection

Package

The HAL579 UA-E is available in a small outline transistor (SOT) package, providing ease of integration into circuit designs.

Essence

The essence of this product lies in its ability to maintain a steady voltage output, crucial for the reliable operation of electronic devices.

Packaging/Quantity

The HAL579 UA-E is typically packaged in reels containing a specific quantity, with options for bulk packaging also available.

Specifications

• Input Voltage Range: 4.5V to 26V
• Output Voltage Range: 1.2V to 20V
• Maximum Output Current: 500mA
• Dropout Voltage: 300mV at 100mA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The HAL579 UA-E features a standard three-pin configuration: 1. Input (VIN) 2. Ground (GND) 3. Output (VOUT)

Functional Features

• Voltage Regulation: The HAL579 UA-E ensures a stable output voltage despite fluctuations in the input power supply.
• Overcurrent Protection: Safeguards connected devices by limiting the output current to prevent damage.
• Thermal Shutdown: Automatically disables the regulator in case of excessive temperature, protecting the component from overheating.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Compact SOT package
• Built-in protection features

Disadvantages

• Limited maximum output current
• Higher dropout voltage compared to some alternative models

Working Principles

The HAL579 UA-E operates by comparing the output voltage to a reference voltage and adjusting the internal circuitry to maintain a constant output level, compensating for variations in the input voltage.

Detailed Application Field Plans

The HAL579 UA-E finds extensive use in various applications, including: - Battery-powered devices - Portable electronics - Automotive systems - Industrial control systems

Detailed and Complete Alternative Models

Several alternative models to the HAL579 UA-E include: - LM317: A popular adjustable voltage regulator with higher output current capability - LT1086: Offers lower dropout voltage for more demanding applications - LM1117: Provides a cost-effective solution for basic voltage regulation needs

In conclusion, the HAL579 UA-E serves as a reliable voltage regulator with precise regulation capabilities, making it suitable for a wide range of electronic applications.

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